Programme for International Student Assessment 2009

Albania, Argentina, Australia...and 70 more, 2009 - 2010

Reference ID

WLD_2009_PISA_v02_M

Producer(s)

Organisation for Economic Co-operation and Development (OECD)

Metadata

Documentation in PDF DDI/XML JSON

Study website

Created on

Sep 05, 2014

Last modified

Jun 14, 2022

Page views

69483

Downloads

6052

SCIE - P2006 Experimental Digestion (Q02) (S498Q02T)

Data file: INT_COG09_TD_DEC11

Overview

Valid: 158117

Invalid: 357841

Type: Discrete

Start: 230

End: 230

Width: 1

Range: -

Format: character

Questions and instructions

Categories

Value	Category	Cases
0	No credit	5960	3.8%
1	No credit	28797	18.2%
2	No credit	52168	33%
3	Full credit	62766	39.7%
8	Invalid	40	0%
9	Missing	3504	2.2%
r	Not reached	4882	3.1%
7	N/A	357841

Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.

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